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Diminiode thermionic energy conversion with lanthanum-hexaboride electrodesThermionic conversion data obtained from a variable gap cesium diminiode with a hot pressed, sintered lanthanum hexaboride emitter and an arc melted lanthanum hexaboride collector are presented. Performance curves cover a range of temperatures: emitter 1500 to 1700 K, collector 750 to 1000 K, and cesium reservoir 370 to 510 K. Calculated values of emitter and collector work functions and barrier index are also given.
Document ID
19780016674
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Kroeger, E. W. (NASA Lewis Research Center Cleveland, OH, United States)
Bair, V. L. (NASA Lewis Research Center Cleveland, OH, United States)
Morris, J. F. (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
September 3, 2013
Publication Date
January 1, 1978
Subject Category
Energy Production And Conversion
Report/Patent Number
NASA-TM-78887
E-9622
Meeting Information
Meeting: International Conference on Plasma Science
Location: Monterey, CA
Country: United States
Start Date: May 15, 1978
End Date: May 18, 1978
Sponsors: IEEE
Accession Number
78N24617
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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